Hearing aid



FIG. 1 is a top plan view of a hearing aid of the present design;

FIG. 2 is a ride side elevational view thereof;

FIG. 3 is a rear, bottom and right perspective view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a front, bottom and right perspective view thereof.

FIG. 6 is a top plan view of the hearing aid shown in FIG. 1;

FIG. 7 is a right elevational view of the hearing aid shown in FIG. 1,but rotated 180° ;

FIG. 8 is a perspective view showing the rear, bottom and right sides ofthe hearing aid shown in FIG. 1;

FIG. 9 is a bottom plan view of the hearing aid shown in FIG. 1;

FIG. 10 is a perspective view showing the front, bottom and right sidesof the hearing aid shown in FIG. 1;

FIG. 11 is a perspective view of the hearing aid earpiece shown in FIG.1;

FIG. 12 is a perspective view of the hearing aid earpiece shown in FIG.11, but rotated to show a different aspect;

FIG. 13 is a a perspective view of the hearing aid earpiece shown inFIG. 12, but rotated still further to show a still further aspect;

FIG. 14 is a perspective view of another embodiment of hearing aidearpiece of the present design;

FIG. 15 is a perspective view of the embodiment of hearing aid earpieceof the design shown in FIG. 14, but rotated to show a different aspect;and,

FIG. 16 is a perspective view of the embodiment of hearing aid earpieceof the design shown in FIG. 15, but rotated still further to show astill further aspect.

CLAIM The ornamental design for a hearing aid, as shown and described.